18095210 has 24 divisors (see below), whose sum is σ = 37890180. Its totient is φ = 6203904.

The previous prime is 18095197. The next prime is 18095249. The reversal of 18095210 is 1259081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18054001 + 41209 = 4249^2 + 203^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18095210.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17975 + ... + 18954.

Almost surely, 2^18095210 is an apocalyptic number.

18095210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18095210 is an abundant number, since it is smaller than the sum of its proper divisors (19794970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18095210 is a wasteful number, since it uses less digits than its factorization.

18095210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36950 (or 36943 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 18095210 is about 4253.8464946446. The cubic root of 18095210 is about 262.5354026325.

The spelling of 18095210 in words is "eighteen million, ninety-five thousand, two hundred ten".